1302373 has 2 divisors, whose sum is σ = 1302374. Its totient is φ = 1302372.

The previous prime is 1302349. The next prime is 1302377. The reversal of 1302373 is 3732031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1292769 + 9604 = 1137^2 + 98^2 .

It is an emirp because it is prime and its reverse (3732031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1302373 - 2¹⁷ = 1171301 is a prime.

It is a super-2 number, since 2×1302373² = 3392350862258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1302373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651186 + 651187.

It is an arithmetic number, because the mean of its divisors is an integer number (651187).

2^1302373 is an apocalyptic number.

It is an amenable number.

1302373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302373 is an equidigital number, since it uses as much as digits as its factorization.

1302373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 1302373 is about 1141.2155799848. The cubic root of 1302373 is about 109.2056550002.

The spelling of 1302373 in words is "one million, three hundred two thousand, three hundred seventy-three".